A payment falling to be made under section 154 or 155 of this Act in respect of treatment in a hospital shall be made—
A claim for a payment under section 155 of this Act may be made at the time when the emergency treatment is effected, by oral request to the person who was using the vehicle, and if not so made must be made by request in writing served on him within seven days from the day on which the emergency treatment was effected; and any such request in writing—
A sum payable under the said section 155 shall be recoverable as if it were a simple contract debt due from the person who was using the vehicle to the practitioner, Board or hospital, or the Secretary of State.
A payment made under the said section 155 shall operate as a discharge, to the extent of the amount paid, of any liability of the person who was using the vehicle, or of any other person, to pay any sum in respect of the expenses or remuneration of the practitioner or hospital concerned of or for effecting the emergency treatment.
A chief officer of police shall, if so requested by a person who alleges that he is entitled to claim a payment under the said section 155, furnish to that person any information at the disposal of the chief officer as to the identification marks of any motor vehicle which that person alleges to be a vehicle out of the use of which the bodily injury arose and as to the identity and address of the person who was using the vehicle at the time of the event out of which it arose.